Water-heater.



J. W. GUIMONT.

WATER HEATER.

APPLICATION FILED MAY 31, 1913.

1,090,14 Patented Mar..17, 1914.

Witnesses:

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UNITED STATE PATENT OFFICE.

JOSEPH WILLIAM G-U'IMONT, OF MONTREAL, QUEBEC, CANADA, ASSIGNOR TOHARRIS CONSTRUCTION COMPANY LIMITED, OF MONTREAL, CANADA.

WATER-HEATER.

To all whom it may concern Be it known that I, Josnrir lVlLLIAM.(irUlMONT, a subject of the King of Great Britain, residing at 663 NotreDame street east, Montreal, in the Province of Quebec, Canada, haveinvented certain new and use ful Improvements in V titer-Heaters; and Ido hereby declare that the following is a full, clear, and exactdescription of the invention, such as will enable others skilled in theart to which it appertains to make and use the same.

The invention to be hereinafter described relates to water heaters.

In order to more clearly disclose the construction, operation, and useof the invention, reference should be had to the accom panying drawingsforming part of the present application.

Throughout the several figures of the drawings like reference charactersdesignate the same parts.

In the drawings: Figure 1 is a central, vertical, cross section throughthe heater; Fig. 2 is a horizontal cross section through the dome, online 2-2 of Fig. 1; Fig. 3 is a like view of the bottom plate on line 33of Fig. 1; and Fig. 1 is a side elevation of the lower part of theinsulating pipe.

The main objects of the invention are to provide a simple, efficient,durable, economical, compact, and substantially jointless hot waterheater which will give maximum results with a minimum consumption ofheating medium; one which may be readily and quickly assembled or takenapart for repairs; and one which may be nilanufactured in largequantities at a relatively low cost of production.

Referring to the drawings in detail, 1 indicates an outer shell, casing,or jacket, hav ing a lower open end provided with an attaching flange 2,and having a water inlet 3 in the lower part of one side, and a wateroutlet 1 in the top, and a blow out opening 5 in the lower part of theopposite side to receive the nozzle of an injector for blow ing out orcleaning the interior of the .Qpecification of Letters Patent.

Application filed May 31, 1913.

v of, is an, outer or insulating pipe or tube 13,

Patented Mar. 1'7, 1914. Serial No. 770.940.

heater. The body of this shell is of U shape m longitudinal crosssection, but its upper portion or head considerably enlarged in bulbousform as at (3 to surround or inclose a seinispherical steam dome orchamber 7 having a pliu'ality of threaded openings in its lower wall toreceive the reduced and threaded upper ends 8 of vertical heating tubes5), the lower ends of which are eX- pandcd into openings in a base plate10 which closes the lower open end of the shell 1. Thus, the dome 7,tubes 9, and base plate 10, form, 1n-actically, a single unit adapted tobe inserted as one piece into or removed from the shell 1. By having theportions 8 of reduced diameter, the steam is twice detained, once indome 7 during its first expansion, until it passes through the reducedportions 8, and a second time, in the bodies of the tubes 9, during itssecond expansion, after passing through the restricted portions 8. Inthis manner, the maximum heating effect is obtained and it hasfrequently been found that no steam, as steam, issues from the lowerends of the heating tubes, which shows clearly thatpraetically all heatof the steam has been completely consumed.

To supply steam to the dome and heating tubes, a steam pipe 11 isprovided. This pipe extends up through the base plate and threaded intoa nut or washer 12 which, in turn, is threaded into the upper end of anenlarged, central, threaded bore in the bottom wall of the dome. Aboutthis steam pipe, concentric therewith, spaced therefrom, and extendingthe entire length therethe lower end of which is provided with anoutwardly and downnun'dly inclined or flared skirt flange l ladapted toreceive and cooperate with a similar flange 15 formed on the upper endof a lower section 13 of the insulating pipe or tube 13. This lowersection is threaded through the lower wall of a circular dished orconcaved exhaust head or chamber 16 provided with a lateral attachingflange 17 and supporting feet 18. By rotating the lower section 13 inone direction or the other, the flange 15 may be made to approach towardor recede from the cooperating flange 14:. hen flange 15 is nestedclosely within flange l i, there will be a tight joint between the twoand the pipe 13 and section 13 will be, practically, one continuouspipe. During operation, there will be a certain amount of sweating onthe outside of pipe 11 and on the inside of pipe 13. The sweat water isdrained as by simply lowering the pipe section 13 and its flange 15 toseparate flanges 14: and 15, thus giving a clear passage for the outflow. After draining, this passage is closed, as previously set forth.

, By inclosing the steam supply pipe 11 within and spaced from the pipe13., it is completely insulated from the water within the body of theheater, thus absolutely insuring delivery of the steam at its highesttemperature into the dome 7 from whence it passes into the heating tubesor pipes. Thus, the temperature is highest at the moment when itshouldbe highestat the instant when it is delivered into the heatingdome and given its first expansion for heating.

Obviously, the space between pipe 11 and tube 13 may be filled with aheat insulating material of any suitable kind, if desired, though thespacing of the pipe and tube is considered sufiicient to prevent anyappreciable lowering of temperature of the steam in pipe 11.

The water of condensation from the dome 7 and tubes 9 passes into theexhaust exit for the steam and may be drawn or led through a pipe or thelike connected thereto by means of a threaded outlet opening 19. Thesame is true of any steam which may pass from the tubes into the exhausthead 16.

The exhaust head, base plate, and easing are all rigidly connected bybolts or the like passed through flanges 2 and 17 and plate 10, asclearly shown in Fig. 1. By providing the upper end of the casing with abulbous enlargement, it is possible to have the steam heating dome 7 ofthe same diameter as'the interior diameter of the body of the casing,and yet have it considerably spaced from the wall of the casing at allpoints, when in place, as clearly shown in Fig. 1. Furthermore, it makesit possible to manufacture the whole heater in practically threepieces-i. 6., the inclosing shell; the interior comprising, heating domeZ, base plate 10, and heating and steam supply tubes, all rigidlyconnected as one element; and the exhaust head.

The whole construction is extremely simple and compact and may be put upor assembled by simply slipping the casing 1 down over the heatingelements, and bolting it in place.

It is thought that the construction, operation, and use of the inventionwill be clear from the preceding detailed descrip tion.

Changes may be made in the construction, arrangement, and disposition ofthe several parts of the invention without in any way departing from thefield and scope of the same, and it is meant to include all such withinthis application wherein only a preferred form has been disclosed.

Having thus fully described my invention, what I claim as new and desireto secure by Letters Patent is:

1. A heater of the character described comprising, an outer shellprovided with inlet and outlet openings and having a bulbous enlargementat its upper end, a steam dome of substantially the same diameter as theinner. diameter of the body of said shell and adapted to be arrangedwithin said bulbous enlargement, a base plate, straight steam tubesconnected to and communicating with the interior of said dome andconnected to said base plate, and having reduced upper ends, and meansfor delivering steam to said dome.

'2. A heater of the character described comprising, an outer shellprovided with inlet and outlet openings and having a bulbous enlargementat its upper end, a steam dome of substantially the same diameter as theinner diameter of the body of said shell and adapted to be arrangedwithin said bulbous enlargement, a base plate, steam tubes connected toand communicating with the interior of said dome and connected to saidbase plate, means for delivering steam to said dome, and a circular,dished exhaust head connected to said plate.

3. A heater of the character described comprising, an outer shellprovided with inlet and outlet openings and having a bulbous enlargementat its upper end, a steam dome of substantially the same diameter as theinner diameter of the body of said shell e and adapted to be arrangedwithin said bulbous enlargement, a base plate, steam tubes connected toand communicating with the interior of said dome and connected to saidbase plate, a steam pipe extending 115 through said base plate and intosaid dome, and a concentric spaced heat insulating pipe inclosing thesame.

4:. A heater of the character described comprising, an outer shellprovided with in- 12 let and outlet openings and having a bulbousenlargement at its upper end, a steam dome of substantially the samediameter as the inner diameter of the body of said shell and adapted tobe arranged within said 125 bulbous enlargement, a base plate, steamtubes connected to and communicating with the interior of said domeandconnectedto said base plate, a steam pipe extending for adjustin saidpipe section toward the through said base plate and into said dome, aconcentric spaced heat insulating pipe inclosing the same, and providedwith an annular skirt flange about its lower end, a

tube section sepa'ate therefrom, in alinement therewith and providedwith a simi- 1:11 and cooperating skirt flange, and means lower end oisaid insulating pipe. 10 In witness whereof I have hereunto set my handin the presence of two witnesses. JOSEPH WILLIAM G-UIMONT. \Vitnesses L.A. GAUVIN, A. BASTIEN.

Gopiu of this patent may be obtained for five cents each, by addressingthe Commissioner of lntontu,

Washington, I). O." I

